Which of the Choices Below Determines the Direction of Respiratory

question 94

Multiple Choice

Which of the choices below determines the direction of respiratory gas movement?

• A) solubility in water
• B) partial pressure gradient
• C) the temperature
• D) molecular weight and size of the gas molecule

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Definitions:

Cardiac Output

The volume of blood pumped by the heart per minute.

Bronchial Tubes

The major air passages of the lungs that diverge from the windpipe (trachea), allowing air to be transported into and out of the lungs.

Mineralocorticoid

A type of steroid hormone that plays a crucial role in regulating sodium and potassium levels in the body.

Adrenal Cortex

The outer portion of the adrenal glands that produces steroid hormones such as cortisol and aldosterone.